Rear portion of motor vehicle



FIG. 1 is a perspective view of a rear portion of motor vehicle;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view of the motor vehicle;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a top view thereof.

The portion of the motor vehicle shown in broken lines is for illustrative purpose only and forms no part of the claimed design. 

The ornamental design for a rear portion of motor vehicle, as shown and described. 